In an older forum, I made a list of all the emotional scenes in this show. Now I want you to tell me what you thought was the most emotional out of all of them.
For me, it was Twilight's BBBFF reprise at the end of "A Canterlot Wedding, Part 1." That scene had me in tears. The image of a young Twilight and Shining Armour playing together and then Shining Armour disappears, leaving Twilight all by herself; I was bawling my eyes out.